MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful sites. The presence of external URI heuristics and the ML classification strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://amindoost.ir/images/upload/files/dujiwigukij.pdf In PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/wubamapujusisujolomapusak.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/43196933335.pdfIn PDF document text
- http://tubemakingmachine.com/uploadfile/files/76628506807.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/pivagupuxipifofolelipa.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/likudexoxiwonelopiximus.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161393a9d899b3---gerivosemesimilalud.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210905_CC82B6525D09A270.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/tafowunibalit.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/e23b722f9edc08df9420500db4ee9eba/29518126461.pdfIn PDF document text
- http://hwayinn.com/image/files/20210911_215630.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/jurun.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/daxenit.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/22iakqqcod1hcdcgrvov5l5fp1/gezupabel.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/66612778153.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/7988262115.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/ratusipisupow.pdfIn PDF document text
- http://hotel-ambassador-nice.com/upload/files/34401818104.pdfIn PDF document text
- https://siahotel.com/userfiles/files/nejiwemofo.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613ba1b42fab4---nusoximuxijaridul.pdfIn PDF document text
- http://twfindia.in/userfiles/files/45874273413.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff88d83ebc---67650847077.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=calum+scott+when+we+were+young+lyricsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eeea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10701 | 11008 bytes |
SHA-256: d266532186ecfe2f26a65df4174c7e0fc6e6b67a2d53562ea22dfc0c00bd69d2 |
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font_02_sfnt_off00012084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12084 | 20828 bytes |
SHA-256: 97c537e06ffe1df228c73271b143ace231ed201374a59e2b05a4996dc34378fd |
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